Vehicle frame and cargo bay liner

A vehicle and liner assembly comprising:

• a recreational vehicle having a housing, a front end, a rear end, a top, a bottom, and a pair of sidewalls;
• a frame assembly, the housing mounted on and supported by the frame assembly;
• a liner attached to the frame assembly and covering at least a substantial portion of the bottom of the housing, the liner having a first ply having an outer face with dimples and projections extending from an inner face on an opposite side of the first ply and a second ply spaced apart and substantially parallel to the first ply having an outer face having convexities, the convexities coinciding with and extending up from corresponding projections on the inner face of the first ply;
• a sheet of aluminum foil covering the outer face of said second ply;
• and
• a nonstructural layer of woven or nonwoven fabric mounted to the outer face of the first ply of the liner opposite the face having aluminum foil thereon;
• configured such that when the liner is mounted on the frame assembly of the recreational vehicle, the aluminum foil is facing an underside of the vehicle and the layer of woven or nonwoven fabric is exposed to and facing the ground.

A method of providing a liner on an underside of a vehicle comprising the steps of:

• providing a recreational vehicle having a housing, a front end, a rear end, a top, a bottom, and a pair of sidewalls;
• providing a frame assembly, the housing mounted on and supported by the frame assembly;
• providing a liner having a first ply having an outer face with dimples and projections extending from an inner face on an opposite side of the first ply and a second ply spaced apart and substantially parallel to the first ply having an outer face having convexities, the convexities coinciding with and extending up from corresponding projections on the inner face of the first ply;
• attaching a layer of woven or nonwoven fabric mounted to the outer face of the first ply of the liner, said layer of woven or nonwoven fabric being attached in a nonstructural manner;
• attaching a sheet of aluminum foil or a layer of woven or nonwoven fabric to cover the outer face of said second ply;
• attaching the liner to the frame assembly and covering at least a substantial portion of the bottom of the housing;
• and
• mounting the liner on the frame assembly of the recreational vehicle, wherein, the first ply and the layer of woven or nonwoven fabric is exposed to and facing the ground, and second ply and said sheet of aluminum foil or layer of woven or non-woven fabric covering said second ply is facing the underside of the recreational vehicle.